TCP/UDP Port Finder

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Database updated - March 30, 2016

Search results for "up"

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Port: 633/TCP
633/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • servstat
    Service Status update (Sterling Software)
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 633/UDP
633/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • servstat
    Service Status update (Sterling Software)
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 1900/UDP
1900/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • ssdp
    SSDP
    IANA
  •  
    Microsoft SSDP Enables discovery of UPnP devices (Official)
    WIKI
Port: 1905/TCP
1905/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • sugp
    Secure UP.Link Gateway Protocol
    IANA
  • trojan
    [trojan] Delta Remote Access. Remote Access / Trojan dropper. Works on Windows. Aliases: DRA, Backdoor.DRA
    Simovits
Port: 1905/UDP
1905/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • sugp
    Secure UP.Link Gateway Protocol
    IANA
Port: 2053/TCP
2053/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • lot105-ds-upd
    Lot105 DSuper Updates
    IANA
  •  
    knetd Kerberos de-multiplexor (Official)
    WIKI
Port: 2053/UDP
2053/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • lot105-ds-upd
    Lot105 DSuper Updates
    IANA
Port: 2186/TCP
2186/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • gtaua
    Guy-Tek Automated Update Applications
    IANA
Port: 2186/UDP
2186/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • gtaua
    Guy-Tek Automated Update Applications
    IANA
Port: 2221/TCP
2221/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • rockwell-csp1
    Rockwell CSP1
    IANA
  •  
    ESET Anti-virus updates (Unofficial)
    WIKI
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About TCP/UDP ports

TCP port 633 uses the Transmission Control Protocol. TCP is one of the main protocols in TCP/IP networks. TCP is a connection-oriented protocol, it requires handshaking to set up end-to-end communications. Only when a connection is set up user's data can be sent bi-directionally over the connection.
Attention! TCP guarantees delivery of data packets on port 633 in the same order in which they were sent. Guaranteed communication over TCP port 633 is the main difference between TCP and UDP. UDP port 633 would not have guaranteed communication as TCP.
UDP on port 633 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 633 thinks that error checking and correction is not necessary or performed in the application, avoiding the overhead of such processing at the network interface level.
UDP (User Datagram Protocol) is a minimal message-oriented Transport Layer protocol (protocol is documented in IETF RFC 768).
Application examples that often use UDP: voice over IP (VoIP), streaming media and real-time multiplayer games. Many web applications use UDP, e.g. the Domain Name System (DNS), the Routing Information Protocol (RIP), the Dynamic Host Configuration Protocol (DHCP), the Simple Network Management Protocol (SNMP).
TCP vs UDP - TCP: reliable, ordered, heavyweight, streaming; UDP - unreliable, not ordered, lightweight, datagrams.
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